Finding the Third Proportional to 74,376.56 and 113,308.88

Step by Step Solution

1. Step 1: Write the proportion equation
   74,376.56 : 113,308.88 = 113,308.88 : x
2. Step 2: Convert to fraction form
   74,376.56/113,308.88 = 113,308.88/x
3. Step 3: Cross multiply
   74,376.56x = 113,308.88 × 113,308.88
4. Step 4: Simplify right side
   74,376.56x = 12,838,901,153.77
5. Step 5: Solve for x
   x = 12,838,901,153.77/74,376.56
6. Step 6: Final answer
   x = 172,620.25